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All results from a given calculation for HCONH2CN2H4 (formamide aminomethanimine dimer)

using model chemistry: PBEPBE_cp_opt/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE_cp_opt/3-21G
 hartrees
Energy at 0K-317.772185
Energy at 298.15K-317.782202
Nuclear repulsion energy71.069729
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBEPBE_cp_opt/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3536 3504 44.75      
2 A' 3468 3437 13.25      
3 A' 3328 3298 1.05      
4 A' 2956 2929 4.07      
5 A' 2906 2879 1022.58      
6 A' 2840 2814 648.26      
7 A' 2427 2405 1451.19      
8 A' 1749 1733 127.75      
9 A' 1710 1695 292.61      
10 A' 1662 1647 22.74      
11 A' 1598 1583 7.16      
12 A' 1393 1380 33.99      
13 A' 1365 1352 26.39      
14 A' 1349 1337 29.12      
15 A' 1314 1302 41.10      
16 A' 1138 1128 66.01      
17 A' 1118 1108 4.94      
18 A' 1101 1091 18.28      
19 A' 673 667 6.87      
20 A' 593 588 5.48      
21 A' 315 312 109.95      
22 A' 228 226 1.34      
23 A' 184 182 1.33      
24 A" 1159 1149 225.53      
25 A" 1056 1047 26.69      
26 A" 1018 1009 24.86      
27 A" 956 947 100.30      
28 A" 739 732 129.74      
29 A" 592 586 100.72      
30 A" 447 443 58.33      
31 A" 244 242 1.97      
32 A" 183 181 66.42      
33 A" 74 74 12.70      

Unscaled Zero Point Vibrational Energy (zpe) 22709.3 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 22502.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBEPBE_cp_opt/3-21G
ABC
0.17851 0.07047 0.05052

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE_cp_opt/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.001 -1.257 0.000
N2 -1.077 -1.443 0.000
N3 1.612 -0.804 0.000
C4 -1.958 -0.417 0.000
O5 -1.663 0.814 0.000
C6 1.952 0.463 0.000
N7 1.038 1.468 0.000
H8 0.000 1.256 0.000
H9 -1.435 -2.402 0.000
H10 -3.021 -0.755 0.000
H11 2.435 -1.433 0.000
H12 2.999 0.818 0.000
H13 1.354 2.437 0.000

Atom - Atom Distances (Å)
  H1 N2 N3 C4 O5 C6 N7 H8 H9 H10 H11 H12 H13
H11.09251.67512.13012.65632.60202.91642.51341.83573.06172.44183.64763.9350
N21.09252.76401.35232.33193.57853.59822.90591.02412.06183.51214.66134.5787
N31.67512.76403.59043.65291.31142.34272.61543.44124.63281.03582.13413.2511
C42.13011.35233.59041.26534.00693.53912.57472.05341.11554.50855.10804.3713
O52.65632.33193.65291.26533.63182.77941.72093.22452.07444.67364.66213.4258
C62.60203.57851.31144.00693.63181.35792.10664.43645.11911.95621.10592.0627
N72.91643.59822.34273.53912.77941.35791.05964.59314.62743.21912.06541.0195
H82.51342.90592.61542.57471.72092.10661.05963.92993.62863.62733.03071.7966
H91.83571.02413.44122.05343.22454.43644.59313.92992.28663.98995.48045.5857
H103.06172.06184.63281.11552.07445.11914.62743.62862.28665.49756.22165.4150
H112.44183.51211.03584.50854.67361.95623.21913.62733.98995.49752.32054.0180
H123.64764.66132.13415.10804.66211.10592.06543.03075.48046.22162.32052.3081
H133.93504.57873.25114.37133.42582.06271.01951.79665.58575.41504.01802.3081

picture of formamide aminomethanimine dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 N2 C4 120.845 H1 N2 H9 120.248
H1 N3 C6 120.730 H1 N3 H11 126.895
N2 H1 N3 174.060 N2 C4 O5 125.926
N2 C4 H10 112.982 N3 C6 N7 122.716
N3 C6 H12 123.754 C4 N2 H9 118.908
C4 O5 H8 118.331 O5 C4 H10 121.092
O5 H8 N7 176.650 C6 N3 H11 112.376
C6 N7 H8 120.743 C6 N7 H13 119.700
N7 C6 H12 113.530 H8 N7 H13 119.557
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE_cp_opt/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 N 0.000      
3 N -0.580      
4 C 0.000      
5 O 0.000      
6 C 0.241      
7 N -0.706      
8 H 0.314      
9 H 0.000      
10 H 0.000      
11 H 0.245      
12 H 0.175      
13 H 0.311      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.123 -1.099 0.000 2.391
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.431 6.886 0.000
y 6.886 -27.770 0.000
z 0.000 0.000 -38.660
Traceless
 xyz
x 4.784 6.886 0.000
y 6.886 5.775 0.000
z 0.000 0.000 -10.559
Polar
3z2-r2-21.118
x2-y2-0.661
xy6.886
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.569 -0.468 0.000
y -0.468 5.249 0.000
z 0.000 0.000 1.041


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000